<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #center{
            width: 1160px;
            height: 650px;
            
            margin: 0 auto;
            background-color: bisque;
            margin-top: 200px;
        }
        *{
            padding: 0px;
            margin: 0px;
            list-style: none;
        }
        li{
            width: calc((1160px - 60px)/5);
            height: calc((650px - 50px)/4);
            float: left;
            position: relative;
            margin-top: 10px;
            margin-left: 10px;
            box-sizing: border-box;
        }
        #center li>.big{
            width: 440px;
            height: 300px;
            position: absolute;
            left: -110px; 
             top: -110px;
            /* display: none; */
            z-index: 10;
            border-color: aqua;
            display: none;
        }
        .big>img{
            width: 100%;
            height: 100%;
        }
        #center li:hover .big{
            display: block;
        }
    </style>
</head>
<body>
    <div id="center">
        <li>
            <img src="./img风景/photo01.jpg">
            <div class="big"><img src="./img风景/photo01.jpg"></div>
        </li>
    </div>
</body>
</html>